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| DOI | 10.1088/1748-9326/ad1435 |
| Impact of summer Tibetan Plateau snow cover on the variability of concurrent compound heatwaves in the Northern Hemisphere | |
| 发表日期 | 2024 |
| ISSN | 1748-9326 |
| 起始页码 | 19 |
| 结束页码 | 1 |
| 卷号 | 19期号:1 |
| 英文摘要 | Concurrent compound heatwaves (CCHWs) occurring simultaneously in multiple regions in the Northern Hemisphere (NH) pose high-end risks to human health and global supply chains. Over the past decade, CCHWs related to human health have substantially increased in occurrence. However, the mechanisms of the CCHWs remain uncertain. This work has revealed a significant relationship between the variability of summer CCHWs in the NH and changes in quasi-stationary waves during 1979-2021, which can be attributed to the variation of summer snow cover over the western Tibetan Plateau (SC_WTP). Excessive SC_WTP causes diabatic cooling by modulating the surface energy budget and stimulating a tripolar Rossby wave source. The atmospheric response to the SC_WTP-driven disturbance manifests as a circumglobal circulation pattern, weakening the meridional temperature gradients and causing a 'double jet stream' in the NH. These changes modulate the phase, amplitude and proportion of quasi-stationary waves with wavenumbers 4-6, leading to an increase in CCHWs in the NH. In addition, population exposure to CCHWs reaches 4.91 billion person-day when the SC_WTP increases by one standard deviation. Our study highlights the significance of early warning and forecasting implications related to SC_WTP for CCHWs that impact human health within the context of climate change. |
| 英文关键词 | concurrent compound heatwaves; Tibetan Plateau snow cover; quasi-stationary waves; population exposure |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:001129424000001 |
| 来源期刊 | ENVIRONMENTAL RESEARCH LETTERS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/288388 |
| 作者单位 | Zhejiang University |
| 推荐引用方式 GB/T 7714 | . Impact of summer Tibetan Plateau snow cover on the variability of concurrent compound heatwaves in the Northern Hemisphere[J],2024,19(1). |
| APA | (2024).Impact of summer Tibetan Plateau snow cover on the variability of concurrent compound heatwaves in the Northern Hemisphere.ENVIRONMENTAL RESEARCH LETTERS,19(1). |
| MLA | "Impact of summer Tibetan Plateau snow cover on the variability of concurrent compound heatwaves in the Northern Hemisphere".ENVIRONMENTAL RESEARCH LETTERS 19.1(2024). |
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